Weather Patterns Temperature Trends Air Masses Temperature Increases Seasonal Changes Effects Anticyclones Jet Stream Effects on Weather Hochdruckbrücke Air Quality Cold Air Masses Impact on Weather Climate Patterns Heat Dome Heat Waves Azores High Atmospheric Conditions Temperature Anomalies Temperature Fluctuations Wind Patterns Offshore Flow Gulf Coast Weather Temperature Inversion Jet Stream Effects Humidity Airflow Patterns Temperature Records Subtropical Air Masses Great Lakes Desert Influence Atmospheric Patterns Desert Southwest Weather Fronts Arctic Weather Temperature Influence Inversion Weather Weather Forecasting Tropical Air Masses Air Pressure Atlantic Influence Pacific Northwest Tropical Moisture Blocking Highs Temperature Variations Hoch Nina Hochdruckgebiet Sieglinde Cleveland Santa Ana Winds Influence on Weather Atlantic High Pressure Ridge Patterns Heat Domes Weather Influences Dry Weather Frontal Systems Winter Weather Warm Air Masses Omega Block Drought Impact on Temperature Air Flow Western United States Frontal Boundaries Clear Skies
The agency says an intense high‑pressure heat dome carrying tropical air caused the spike and signals that human‑driven warming is making such early‑season extremes more likely.
